Mineral: |
Ferrihydrite |
Reference: |
FS07a |
SCM Type: |
TL - Triple Layer
(C1: 1.0 F/m2) |
Ionic Strength: |
|
Site Type: |
»Fe-OH |
PZC: |
|
pK1: |
3.7 |
|
pK12.31 nm−2 (normalized): |
3.92 |
pK2: |
12.1 |
|
pK22.31 nm−2 (normalized): |
11.88 |
Site Density in nm-2: |
3.8000 |
Original Site Density: |
3.8 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
|
Method for Site Density: |
Empirical Correlation |
Method for Protolysis: |
Fit Method: | GEOSURF |
Comment: |
extended triple layer model; SSD-values for HFO were estimated from regression of arsenite adsorption data [SF06b]; equilibrium constants expressed relative to the hypothetical 1.0 molar standard state |
|